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    Wyświetlanie 1-12 z 12
    Tytuł:
    Wind wave climate of West Spitsbergen: seasonal variability and extreme events
    Autorzy:
    Wojtysiak, K.
    Herman, A.
    Moskalik, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/2079303.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    wave climate
    wind wave
    atmospheric circulation
    seasonal variability
    extreme event
    Svalbard
    West Spitsbergen
    Opis:
    Waves are the key phenomenon directly influencing coastal morphodynamics. Facing insufficient observations, wind wave climate of the west coast of Spitsbergen can be characterized on the basis of the modelled data. Here we have used the results of spectral wave models: Wave Watch III (WW3) hindcast and WAM in ERA-interim (ERAi) reanalysis. We have observed the presence of seasonal cycle with difference of up to 1 m between significant wave heights in summer and winter. In wave-direction analysis we have noticed the southwestern swell component of remarkably narrow width, thus we expect unidirectional swell impact on the coastline. Extreme events analysis revealed that storms occur mainly in winter, but the most energetic ones (significant wave height of up to 9.5 m) occur in spring and autumn. We have identified positive trends in storms’ frequency (2 storms per decade) and storms’ total duration (4 days per decade) on the south of the study area. More storms can result in the increase of erosion rate on the south-western coasts of Spitsbergen, but this change may be highly dependent on the sea ice characteristics. Wave heights of wind sea and swell are correlated with the relevant atmospheric circulation indices, especially the North Atlantic Oscillation. In the recent decade, the correlation is stronger with WW3 than with ERAi data, at some locations explaining over 50% (over 30%) of the total variance of wind sea (swell) wave heights. In ERAi data, the relationship with circulation indices seems sensitive to the length of the analysis period.
    Źródło:
    Oceanologia; 2018, 60, 3; 331-343
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Spatiotemporal changes in the concentration and composition of suspended particulate matter in front of Hansbreen, a tidewater glacier in Svalbard
    Autorzy:
    Moskalik, M.
    Cwiakala, J.
    Szczucinski, W.
    Dominiczak, A.
    Glowacki, O.
    Wojtysiak, K.
    Zagorski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/958169.pdf
    Data publikacji:
    2018
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    tidewater glacier
    suspended particulate matter
    particulate organic matter
    Hansbreen glacier
    Svalbard Fjord
    biological process
    meteorological condition
    oceanographic condition
    glacial bay
    Źródło:
    Oceanologia; 2018, 60, 4
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analysis of adaptation of selected forest recreational facilities to requirements of potential users
    Autorzy:
    Woznicka, M.
    Janeczko, E.
    Moskalik, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/38345.pdf
    Data publikacji:
    2013
    Wydawca:
    Instytut Badawczy Leśnictwa
    Tematy:
    anthropometry
    ergonomics
    forest facility
    recreational facility
    potential user
    infrastructure
    recreational use
    Opis:
    Both linear and aerial elements of forest recreational management should be equipped with recreational facilities which are called “small architecture”. Small architecture is very diverse and serves many different functions, thus it is very important in recreation space. Recreation facilities have to be safe for potential users and offer comfort and relaxation. These conditions can be fulfilled if the construction of facilities is based on anthropometric features of the users. In this paper, there are presented the results of analyses carried out with regard to adaptating technical parameters of selected forest facilities to potential user anthropometry. The study was conducted in Warsaw municipal forests. The analyses were based on analytical formulas, which give appropriate information about the parameters of perfectly designed facilities. Examination of technical condition of the recreation facilities analyzed was also included in the study.
    Źródło:
    Folia Forestalia Polonica. Series A . Forestry; 2013, 55, 3
    0071-6677
    Pojawia się w:
    Folia Forestalia Polonica. Series A . Forestry
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Principal component and cluster analysis for determining diversification of bottom morphology based on bathymetric profiles from Brepollen (Hornsund, Spitsbergen)
    Autorzy:
    Moskalik, T.
    Tegowski, J.
    Grabowiecki, P.
    Zulichowska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/47566.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Instytut Oceanologii PAN
    Tematy:
    principal component
    cluster analysis
    bottom morphology
    diversification
    bathymetry
    Hornsund
    Spitsbergen
    post-glacial region
    Źródło:
    Oceanologia; 2014, 56, 1
    0078-3234
    Pojawia się w:
    Oceanologia
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Stan wyszkolenia i wyposażenie operatorów pilarek spalinowych zatrudnionych przy pozyskaniu drewna w polskich lasach
    State of training and equipment of chainsaw operators employed for timber harvesting in Polish forests
    Autorzy:
    Gendek, A.
    Aniszewska, M.
    Nurek, T.
    Moskalik, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/985831.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    pozyskiwanie drewna
    operatorzy pilarek spalinowych
    bezpieczenstwo pracy
    ochrona zdrowia
    srodki ochrony osobistej
    wyposazenie dodatkowe
    szkolenie zawodowe
    badania ankietowe
    occupational safety
    chainsaw operator
    vocational training course
    personal protective equipment
    Opis:
    One of the most important factors influencing work performance of chainsaw operators, considered as one of the most dangerous, is acquirement of knowledge in a training course enabling to obtain vocational qualifications as a logger and to gain experience in timber harvesting operations. Securing the safety of the chainsaw operator is realized on two levels. Firstly, by organizing appropriate training courses, and secondly, by providing employees with appropriate personal protective equipment. The research was carried out in 15 forest districts in different parts of Poland. The survey conducted on a group of over 200 loggers was aimed at identifying the most important factors affecting health and safety of work in forestry. According to the obtained results, a large group of chainsaw operators completed only a 2−3−day−long training courses, during which they could not get sufficient knowledge how to operate with the chainsaw. The lack of knowledge has a direct impact on the fact that 57% of the respondents use the chainsaw for its extreme wear, 41% of the loggers do not prepare the work place before tree felling and do not debark the stump. 40% of these workers do not set the chain brake, while starting the chainsaw engine. 41% of loggers do not work with an assistant in young stands. The consequences of such negligence are injuries. 76% of them are not reported as accidents at work.
    Źródło:
    Sylwan; 2018, 162, 02; 118-126
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Ocena dokładności określania miąższości kłód przez harwestery wyposażone w system Opti4G
    Evaluation of logs, volume determination by harvesters equipped with Opti4G software
    Autorzy:
    Tomusiak, R.
    Ludwisiak, L.
    Moskalik, T.
    Golebiowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/882705.pdf
    Data publikacji:
    2014
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Leśny Zakład Doświadczalny. Centrum Edukacji Przyrodniczo-Leśnej w Rogowie
    Tematy:
    lesnictwo
    pozyskiwanie drewna
    klody
    miazszosc drewna
    pomiary
    harwestery
    wyposazenie techniczne
    systemy pomiarowe
    system Opti4G
    dokladnosc pomiaru
    bledy pomiarowe
    Źródło:
    Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej; 2014, 16, 2B[39]
    1509-1414
    Pojawia się w:
    Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Lokalne uwarunkowania rozwoju prywatnych firm leśnych na przykładzie wybranego nadleśnictwa
    Autorzy:
    Zastocki, D.
    Moskalik, T.
    Sadowski, J.
    Mokrzynski, L.
    Dydkowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/881186.pdf
    Data publikacji:
    2012
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Leśny Zakład Doświadczalny. Centrum Edukacji Przyrodniczo-Leśnej w Rogowie
    Źródło:
    Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej; 2012, 14, 3[32]
    1509-1414
    Pojawia się w:
    Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Pozyskanie drewna w nadleśnictwach Puszczy Białowieskiej w latach 2008-2015
    Harvest of timber in forest districts of the Bialowieza Forest in 2008-2015
    Autorzy:
    Zastocki, D.
    Lachowicz, H.
    Sadowski, J.
    Moskalik, T.
    Nietupska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/985925.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Puszcza Bialowieska
    gospodarka lesna
    nadlesnictwa
    pozyskiwanie drewna
    sortymenty drewna
    lata 2008-2015
    białowieża forest
    cutting categories
    assortments
    nature−valuable areas
    Opis:
    The paper presents a multifaceted structure of timber harvest in 2008−2015 in the Białowieża, Browsk and Hajnówka forest districts located in the Białowieża Forest. The object of the research, including the Białowieża National Park being a remnant of the primeval forests, is considered one of the most valuable forest areas of natural origin in Europe. The studies were made on the basis of the data from the reports created by the State Forests Information System and forest management plans, as well as the nature conservation programs of the surveyed forest districts. In the analysed period, a total of 665,032.5 m3 of merchantable timber was harvested in the analysed area. The highest volume of merchantable timber was harvested in the Browsk Forest District – 305,934 m3 (46%), then in the Hajnówka Forest District – 219,300 m3 (33%), with the lowest volume harvested in the Białowieża Forest District 139,788 m3 (21%). Among the individual assortment groups, the medium−sized timber was the most common and its harvested volume amounted to 413,579 m3, while the harvested volume of large−sized timber amounted to 251,454 m3. The lowest harvested volume concerned the small−sized timber and amounted to 21,652 m3. In the analysed period, softwood had the largest share in timber harvest and amounted to 443,469 m3. Hardwood was obtained in the volume of 243,215 m3. According to the cutting category, the timber harvest structure was as follows: the highest volume was harvested in pre− commercial thinning 382,495 m3 (54%), that from incidental felling amounted to 251,003 m3 (38%), while the lowest volume of harvested timber was from final cutting – 53,186 m3 (8%). Forest districts located in the Białowieża Forest encounter many difficulties affecting timber harvest. The main reason for this lies in the numerous restrictions imposed on the management of areas covered by various forms of nature protection, including the exclusion of some habitats, or stands of 100 years of age and older from management, which significantly affects the yield. The lack of a determined rotation age for stands in the Białowieża Forest also has a significant impact on timber harvest.
    Źródło:
    Sylwan; 2018, 162, 11; 941-948
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Sprzedaż drewna w nadleśnictwach Puszczy Białowieskiej w latach 2008-2015
    Sale of timber in forest districts of the Bialowieza Forest in 2008-2015
    Autorzy:
    Lachowicz, H.
    Zastocki, D.
    Sadowski, J.
    Moskalik, T.
    Nietupska, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/985928.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    Puszcza Bialowieska
    gospodarka lesna
    nadlesnictwa
    Nadlesnictwo Bialowieza
    Nadlesnictwo Browsk
    Nadlesnictwo Hajnowka
    surowce drzewne
    drewno
    sortymenty drewna
    sprzedaz drewna
    bialowieża forest
    timber sales
    assortment and species structure
    Opis:
    The structure of timber sales in forest districts of the Białowieża Forest in the years 2008−2015 is presented. The Białowieża Forest is one of the most valuable natural areas in Europe. The data from the reports generated by the State Forests Information System of the Hajnówka, Browsk and Białowieża forest districts were used for the research. The information contained in the forest management plans and nature conservation programs of the surveyed forest districts was also used. The volume of the sold merchantable timber in the Białowieża Forest amounted to 669,072 m3, of which 63.43% was softwood and 36.57% hardwood. Among the softwood assortment, sales of the large−sized timber amounted to 44.42%, while of the medium−sized timber to 55.58%. For the large−sized hardwood, the share of sales amounted to 30.66%, while for the medium−sized hardwood to 69.34%. The small−sized timber was sold at 22,389 m3, with the share of hardwood assortments being 82%, and of softwood 18%. A small share in the sales of small−sized timber is caused by the lack of FSC certification by forest districts, which excludes large industrial companies that buy predominantly the medium−sized coniferous timber assortments. The average price obtained from the sale of timber in the the Białowieża Forest in the analysed period was 134.7 PLN/m3. At a price higher than the average, wood was sold in the Białowieża and Hajnówka forest districts, while in the Browsk Forest District the timber was sold at a price lower than the average. The total volume of merchantable timber harvested in the forest districts of the Białowieża Forest in the analysed years, including the small−sized timber, amounted to 686,684 m3, with 691,461 m3 of timber being sold. The volume of the merchantable timber sold at that time was 669,072 m3, which constituted only 0.24% of the total timber sold at the State Forests in Poland.
    Źródło:
    Sylwan; 2018, 162, 11; 949-954
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Produkcja węgla drzewnego na przykładzie RDLP Krosno
    Charcoal production on the example of the Krosno RDSF
    Autorzy:
    Zastocki, D.
    Sadowski, J.
    Moskalik, T.
    Oktaba, J.
    Janik, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/985977.pdf
    Data publikacji:
    2018
    Wydawca:
    Polskie Towarzystwo Leśne
    Tematy:
    lesnictwo
    RDLP Krosno
    uboczne uzytkowanie lasu
    wegiel drzewny
    weglarstwo lesne
    nadlesnictwa
    wielkosc produkcji
    charcoal burning
    bieszczady mountains
    adjustable retorts
    efficiency
    Opis:
    The burning of wood in the Bieszczady Mountains (SE Poland) began to play a significant role with first settlements in this region in the 17th and 18th centuries. Large beech wood resources were the main reason for such a high charcoal production in this part of Poland. The role of charcoal production in the Bieszczady region is reflected in the names of villages such as Smolnik (Tar), Potasznia (Potash) and Mielerzysko (Charcoal Pile). The aim of this paper is to present the scope and volume of charcoal production in forest districts located in the territory of the Krosno Regional Directorate of State Forests (RDSF) in 2008−2013. It also identifies the number of companies dealing with charcoal production as well as the efficiency and amount of burned charcoal calculated on the basis of the quantity of purchased wood. The verification of the information about the locations of charcoal burning concerned all 26 forest districts of the Krosno RDSF. Charcoal burning bases were identified in the following forest districts: Baligród, Bircza, Cisna, Dukla, Komancza, Lutowiska, Rymanów and Stuposiany. Most bases were located in the territory of the Lutowiska ranging from 5 to 7 in the analysed period. Slight changes in the number of charcoal burning bases were found in the Cisna forest district, where initially there were 5 companies involved in charcoal production, while in 2009−2010 their number increased to 6 entities. In the Stuposiany forest district 5 bases of charcoal burning run by two companies were identified, and in the Baligród and Komańcza forest districts four charcoal burning bases operated in each of them. In the Dukla forest district, two companies dealing with charcoal production were identified in 2008−2009, one in 2010−2012, while in 2013 no such entity was found. In the Bircza and Rymanów forest districts, only one charcoal burning base operated at that time. In 2008−2013, the number of bases located in the research area slightly decreased from 29 to 25, and the amount of produced charcoal decreased from 7372.4 to 3855.6 tonnes sold mainly in Bieszczady and part of the Lublin region. A significant drop in production was not the result of a decrease in demand; it was rather associated, inter alia, with the import of cheaper charcoal from abroad.
    Źródło:
    Sylwan; 2018, 162, 10; 837-843
    0039-7660
    Pojawia się w:
    Sylwan
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Dokładność określania struktury dnia roboczego pracy harwestera metodą obserwacji migawkowych
    Accuracy of determining the working day structure of machine timber harvesting with work sampling method
    Autorzy:
    Pszenny, D.
    Fit, P.
    Kwiatkowska, K.
    Potoczny, B.
    Koperek, M.
    Staniszewski, P.
    Moskalik, T.
    Powiązania:
    https://bibliotekanauki.pl/articles/882738.pdf
    Data publikacji:
    2018
    Wydawca:
    Szkoła Główna Gospodarstwa Wiejskiego w Warszawie. Leśny Zakład Doświadczalny. Centrum Edukacji Przyrodniczo-Leśnej w Rogowie
    Tematy:
    lesnictwo
    pozyskiwanie drewna
    maszyny lesne
    harwestery
    struktura dnia roboczego
    obserwacje migawkowe
    Źródło:
    Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej; 2018, 20, 2[56]
    1509-1414
    Pojawia się w:
    Studia i Materiały Centrum Edukacji Przyrodniczo-Leśnej
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-12 z 12

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